Home / 1,174,475.52-1,620,721.98-665,181.54

Finding the Fourth Proportional to 1,174,475.52, 1,620,721.98 and 665,181.54

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Solution

The fourth proportional to 1,174,475.52, 1,620,721.98 and 665,181.54 is: 917,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,475.52 : 1,620,721.98 = 665,181.54 : x
  2. Step 2: Convert to fraction form
    1,174,475.52/1,620,721.98 = 665,181.54/x
  3. Step 3: Cross multiply
    1,174,475.52x = 1,620,721.98 × 665,181.54
  4. Step 4: Simplify right side
    1,174,475.52x = 1,078,074,342,568.25
  5. Step 5: Solve for x
    x = 1,078,074,342,568.25/1,174,475.52
  6. Step 6: Final answer
    x = 917,919.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.